Properties

Label 2-684-1.1-c1-0-3
Degree $2$
Conductor $684$
Sign $1$
Analytic cond. $5.46176$
Root an. cond. $2.33704$
Motivic weight $1$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 3·5-s + 7-s + 5·11-s − 6·13-s + 5·17-s + 19-s − 4·23-s + 4·25-s − 6·29-s + 6·31-s + 3·35-s − 8·37-s + 8·41-s + 9·43-s − 47-s − 6·49-s − 2·53-s + 15·55-s + 8·59-s + 11·61-s − 18·65-s + 4·71-s − 11·73-s + 5·77-s − 8·79-s + 4·83-s + 15·85-s + ⋯
L(s)  = 1  + 1.34·5-s + 0.377·7-s + 1.50·11-s − 1.66·13-s + 1.21·17-s + 0.229·19-s − 0.834·23-s + 4/5·25-s − 1.11·29-s + 1.07·31-s + 0.507·35-s − 1.31·37-s + 1.24·41-s + 1.37·43-s − 0.145·47-s − 6/7·49-s − 0.274·53-s + 2.02·55-s + 1.04·59-s + 1.40·61-s − 2.23·65-s + 0.474·71-s − 1.28·73-s + 0.569·77-s − 0.900·79-s + 0.439·83-s + 1.62·85-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 684 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 684 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(684\)    =    \(2^{2} \cdot 3^{2} \cdot 19\)
Sign: $1$
Analytic conductor: \(5.46176\)
Root analytic conductor: \(2.33704\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 684,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(2.021343894\)
\(L(\frac12)\) \(\approx\) \(2.021343894\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
3 \( 1 \)
19 \( 1 - T \)
good5 \( 1 - 3 T + p T^{2} \)
7 \( 1 - T + p T^{2} \)
11 \( 1 - 5 T + p T^{2} \)
13 \( 1 + 6 T + p T^{2} \)
17 \( 1 - 5 T + p T^{2} \)
23 \( 1 + 4 T + p T^{2} \)
29 \( 1 + 6 T + p T^{2} \)
31 \( 1 - 6 T + p T^{2} \)
37 \( 1 + 8 T + p T^{2} \)
41 \( 1 - 8 T + p T^{2} \)
43 \( 1 - 9 T + p T^{2} \)
47 \( 1 + T + p T^{2} \)
53 \( 1 + 2 T + p T^{2} \)
59 \( 1 - 8 T + p T^{2} \)
61 \( 1 - 11 T + p T^{2} \)
67 \( 1 + p T^{2} \)
71 \( 1 - 4 T + p T^{2} \)
73 \( 1 + 11 T + p T^{2} \)
79 \( 1 + 8 T + p T^{2} \)
83 \( 1 - 4 T + p T^{2} \)
89 \( 1 + 10 T + p T^{2} \)
97 \( 1 + 10 T + p T^{2} \)
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   \(L(s) = \displaystyle\prod_p \ \prod_{j=1}^{2} (1 - \alpha_{j,p}\, p^{-s})^{-1}\)

Imaginary part of the first few zeros on the critical line

−10.10370248758242841900450466357, −9.753939959817826071873533269689, −9.016095895371464499452424376083, −7.79940297474103721170945704324, −6.90424484022902637686195522952, −5.91683885336442220217491832634, −5.19240240093631142848647003519, −3.99094816844363398828113200246, −2.51416764749634279902449544273, −1.43616825271713767608828534007, 1.43616825271713767608828534007, 2.51416764749634279902449544273, 3.99094816844363398828113200246, 5.19240240093631142848647003519, 5.91683885336442220217491832634, 6.90424484022902637686195522952, 7.79940297474103721170945704324, 9.016095895371464499452424376083, 9.753939959817826071873533269689, 10.10370248758242841900450466357

Graph of the $Z$-function along the critical line